Home / 178,646.21-267,618.98-103,608.72

Finding the Fourth Proportional to 178,646.21, 267,618.98 and 103,608.72

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Solution

The fourth proportional to 178,646.21, 267,618.98 and 103,608.72 is: 155,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,646.21 : 267,618.98 = 103,608.72 : x
  2. Step 2: Convert to fraction form
    178,646.21/267,618.98 = 103,608.72/x
  3. Step 3: Cross multiply
    178,646.21x = 267,618.98 × 103,608.72
  4. Step 4: Simplify right side
    178,646.21x = 27,727,659,447.46
  5. Step 5: Solve for x
    x = 27,727,659,447.46/178,646.21
  6. Step 6: Final answer
    x = 155,209.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.